Garmin 3/4-Inch Blue Collar Strap for Garmin Delta Series Our polyurethane-coated collar straps are rugged and waterproof, just like the original collar that came with your BarkLimiter or Delta training devices The 3/4-Inch nylon collar is 27-Inch long, has a nickel-plated square buckle, collar keeper and has holes spaced to fit most dogs Available in 3 colors: black, red and blue (sold separately)